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Toshiba Carrier MMK-AP0123H2UL User Manual

Toshiba Carrier MMK-AP0123H2UL
173 pages
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R410A
FILE NO. A10-019-1
SERVICE MANUAL
AIR-CONDITIONER
SPLIT TYPE
PRINTED IN JAPAN, Dec., 2011 ToMo
INDOOR UNIT
4-Way Cassette Type
MMU-AP0182H2UL, MMU-AP0212H2UL,
MMU-AP0242H2UL, MMU-AP0302H2UL,
MMU-AP0362H2UL, MMU-AP0422H2UL
Compact 4-Way Cassette Type
MMU-AP0071MH2UL, MMU-AP0091MH2UL,
MMU-AP0121MH2UL, MMU-AP0151MH2UL,
MMU-AP0181MH2UL
Ceiling Type
MMC-AP0181H2UL, MMC-AP0241H2UL,
MMC-AP0361H2UL, MMC-AP0421H2UL
High Wall Type
MMK-AP0073H2UL, MMK-AP0093H2UL,
MMK-AP0123H2UL, MMK-AP0153H2UL,
MMK-AP0183H2UL, MMK-AP0243H2UL
4-Way Cassette Type
Compact 4-Way Cassette Type
Ceiling Type
High Wall Type
REVISION 1 : Dec.2011
Re-edit version.( file volume down)
Contents have NOT been changed.
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Toshiba Carrier MMK-AP0123H2UL Specifications

General IconGeneral
BrandToshiba
ModelCarrier MMK-AP0123H2UL
CategoryAir Conditioner
LanguageEnglish

Summary

SAFETY CAUTION

Understanding Safety Indications and Marks

Explains safety indications, illustrated marks, and warning labels found in the manual.

General Safety Precautions During Service

Covers essential safety practices for handling refrigerant, tools, parts, and electrical components.

Specific Operational Safety Checks

Details safety procedures for insulator checks, ventilation, electrical shock prevention, and post-repair checks.

NEW REFRIGERANT AND TOOLS

R410A Refrigerant Safety and Handling

Discusses safety precautions and handling guidelines for the new R410A refrigerant.

Required Tools and Materials for R410A

Lists the specific tools and materials necessary for working with R410A refrigerant.

SPECIFICATIONS

Indoor Unit Specifications

Provides detailed technical specifications for various indoor unit types like Cassette, Ceiling, and High Wall.

CONSTRUCTION VIEWS (EXTERNAL VIEWS)

Indoor Unit External Dimensions and Views

Presents detailed diagrams and dimensions for different indoor unit models.

WIRING DIAGRAMS

Indoor Unit Wiring Schematics

Illustrates the internal wiring connections for different indoor unit types.

PARTS RATING

Indoor Unit Component Ratings and Specifications

Details the specifications and ratings for various internal components of indoor units.

REFRIGERATING CYCLE DIAGRAM

Refrigeration Cycle Overview and Component Functions

Shows the overall refrigerating cycle and outlines the functions of key components.

CONTROL OUTLINE

Indoor Unit Control Logic for Cassette and Ceiling Types

Explains the operational control logic and modes for cassette and ceiling indoor units.

High Wall Type Control Logic

Details the control logic and operational modes specific to high wall indoor units.

Advanced Control Features and Functions

Covers capacity control, air speed, freeze prevention, recovery, filter sign, Hi POWER, SLEEP, PRESET, etc.

APPLIED CONTROL AND FUNCTION

Indoor Controller Block Diagrams and System Integration

Illustrates how indoor units connect and communicate with controllers and outdoor units.

P.C. BOARD INFORMATION

Indoor Unit P.C. Board Identification

Identifies key components and connectors on the indoor unit's main P.C. boards (MCC-1570, MCC-1402).

P.C. Board Optional Features and Settings

Describes optional connectors, switches, and DIP settings for P.C. boards.

OPERATIONAL TESTS AND FUNCTIONS

Performing Test Runs on Indoor Units

Provides step-by-step instructions for conducting test runs using remote controllers.

Indoor Unit Operation Checks and Error Clearing Procedures

Explains how to check unit operation and clear error codes remotely.

Setting Indoor Unit Function Codes (DN Code)

Details the procedure for setting various indoor unit functions using DN codes.

Advanced Indoor Unit Control Features

Covers remote ON/OFF control, ventilation fan control, and other advanced functions.

Indoor Unit Address Setup and Confirmation

Guides users on setting and confirming indoor unit addresses for system configuration.

TROUBLESHOOTING AND ERROR CODES

Troubleshooting Overview and General Procedure

Outlines common issues, potential causes, and the general troubleshooting process.

Indoor Unit Error Code Diagnosis

Lists and explains error codes detected by indoor units and their typical causes.

Outdoor Unit Error Code Diagnosis

Lists and explains error codes detected by outdoor units and their typical causes.

Central Control System Error Codes

Details error codes specific to the TCC-LINK central control system.

SENSOR CHARACTERISTICS

Indoor Unit Temperature Sensor Resistance Curves

Provides graphs showing the resistance characteristics of indoor unit temperature sensors.

DETACHMENTS (DISASSEMBLY/ASSEMBLY)

Indoor Unit Component Disassembly and Assembly Procedures

Step-by-step instructions for removing and installing various indoor unit parts.

P.C. BOARD EXCHANGE PROCEDURES

Indoor P.C. Board Replacement and Data Setup

Details the process for replacing the indoor P.C. board and configuring settings.

EXPLODED VIEWS AND PARTS LIST

Exploded Views and Parts Identification for Indoor Units

Provides detailed exploded diagrams and part numbers for various indoor unit models.

REFRIGERANT LEAKAGE WARNINGS

Refrigerant Concentration Limit Compliance and Safety

Outlines requirements and safety measures related to refrigerant concentration limits in rooms.

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